[1] Argos Zorggroep, Psychiat Skilled Nursing Home DrieMaasStede, NL-3123 AX Schiedam, Netherlands
[2] Vrije Univ Amsterdam, VU Dept Nursing Home Med, Amsterdam, Netherlands
[3] Vrije Univ Amsterdam, EMGO Inst Hlth & Care Res, Dept Psychiat, Amsterdam, Netherlands
[4] Vrije Univ Amsterdam, Med Ctr, Amsterdam, Netherlands
[5] GGZ Buitenamstel, Amsterdam, Netherlands
[6] Erasmus Univ, Dept Med Psychol & Psychotherapy, Rotterdam, Netherlands
[7] Radboud Univ Nijmegen, Med Ctr, Dept Geriatr, NL-6525 ED Nijmegen, Netherlands